Pony bull wheel



Dec. '15 1925- 15 5.120

W. S. ESTES PONY sum mean 7 Filed Jamv 17. 1924 3 Shoots-Shut 1 Wailerdsie:

Dec. 15,19z5.

W. S. ESTES PONY BULL WHEEL 3 Sheets-sheaf. 2

Filed Jan. 17. 1924 llllllll 8| llllllI llllllllll Z/afivr)? 6822s,

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Doc. 15, 1925- 1,555-720 w. s. ESTES PONY BULL WHEEL Filed Jan. 17. 1924 s smu -sum a Qnoenfou 6H0: new

Patented Dec. 15, 1925.

Met-3,720

UNIT-ED STATES PATENT OFFICE.

WALKER S. ESTE S,.OF TULSA, OKLAHOMA.

PONY BULL WHEEL.

Applicationfiled January 17,1924 Serial No. 686,900.

dium of a chain engaging 'a detachable sprocket mounted on the shaft carrying the drum, brake wheel, etc; and one of the objects of thepresent invention is to provide an apparatus of this character which is strong, durable andhighly eflicientin operation, and-yet which may be manufactured at a relatively low cost.

The pony bullwheels are used largelyfor pulling rods and tubing from wells, and for general cleaning out .purposes,; and one of the important advantages ofthe. present invention resides in the provision of means whereby the speed with which-the rod, or tubing etc., is pulled may be varied in accordance with the load.

Another important feature of the invention resides in the provision of a very simplemeans by which tug wheels from large bull wheel sets may be quickly secured to the pony bull wheel set, thereby permitting a rope drive to be employed, if required.

Otherand further objects and advantages of my invention will be apparent from the following detailed description, when taken in connection with the accompanying drawings, in which: I V

Figure l is a front elevation of the apparatus, partly broken away.

Figure 2 is an end elevation of the apparatus. V

Figure is a longitudinal sectional view of the apparatus.

Figure 4 is a vertical transverse sectional view, taken on line 4 4t of Figure 1, and looking in the direction of the arrows.

Figure 5 is a perspective view of the end portion :ofthe shaft and .means for attaching a tug wheel, the tug rim and spokes being shown l11"d0tt9d outline.

Figure 6 is a fragmentary sectional view, showing means for attaching the tug wheel to the shaft.

Figure? is anelevational view of a modified form of sprocket.

Figure 8is a-fragmentary View of a modified form of gudgeon.

Figure 9 is a perspective view of a modified form of pony bull wheel; and

Figure 10 is a detail view of the means for attaching the sprocket wheel to the drum.

Referring to the drawings more in detail, numeral 1 indicates the shaft of the pony bull wheel set, and attached to each end of the shaft is theordinarygudgeon 2. The gudgeons maybe riveted, electro-welded, or otherwise attached to the shaft, though in the accompanying drawings'I have shown the gudgeons .as riveted thereto.

Mounted on the shaftl, adjacent one end thereof, is the sprocket 3. The purpose of the sprocket isto drive the shaft through the medium of a chain connecting the sprocket with a tractor; and, as the sprocket is adapted to be'moved from well to well with the tractor, the sprocket it formed in two sections which are bolted or otherwise removably attached to the shaft. It will be understood that any type of sprocket may be employed and that it may be removably attached to the shaft in any desired manner, as by bolts; or, if preferred, the sprocket could be permanently attached to the shaft.

An annular member 4 is mountedon the shaft adjacent the sprocket, and this member constitutes the end wall of a drum and functions as a rope guide. The annular flange 4 is preferably rivetedto angles 5 which are riveted to the shaft 1; but any other desired means for mounting the member may be employed.

Adjacent the opposite end of the shaft is the brake wheel 6, the rimof which is formedof wood 'fillers,-as usual; the fillers being indicated by numeral 7. The annular members forming the brake wheel may be riveted or othemvisesecured to the shaft, butIprefer that they be welded thereto, and I have, therefore, illustrated such a construction.

Also preferably welded to the shaft 1, and spaced. inwardly from the brake wheel, is anotherannular member, indicated by numeral 8. A continuous-curved plate 9 spans the distance between the annular member 8 and the I brake whecl, thereby forming .a

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drum, for a purpose to appear hereinafter. The continuous curved plate 9 may be at tached to the annular member 8 and to the brake wheel by any means desired, though l have illustrated angles .10 to which the elements are riveted.

The annular member 8, in addition to forming an end wall for the drum just described, also co-operates with the annula member i: to form a second drum. It is thus seen that the annular member 8 forms a common end wall for a small and a large drum, and this member 8 is provided with a deep notch 11 to allow the rope to be guided onto the larger drum when the load has lightened sutlicicntly.

The operation of the apparatus will be obvious from the foregoing description. Ordinarily the split sprocket 8 will be carried by the tractor from well to well, and when one of the pony bull wheel sets is to be operated the sprocket will be bolted to the shaft and operatively connected to the 1 .ctor by means of a chain passing over the oeket. Now, if tubing or rods are to be pulled, or other heavy work is to be performe-d, the rope will be led around the small drum and the shaft will be rotated to lift the load. The rope will be wound on the smaller drum until part of the rods or tubing have been removed, or the load otherwise suiiiciently lightened to permit the rope to be guided through the notch 11 onto the larger drum, thereby considerably increasing the speed with which the pulling operation or other work is performed.

I will now describe the means by which tug wheel rims from large bull wheel sets may be quickly applied to my pony bull wheel set when a rope drive is desired; reference being had particularly to Figures 5 and 6.

Numeral 1, as before, refers to the pony bull wheel shaft, and numerals 12 and .13 refer respectively to any conventional tug rim and spokes carried thereby.

lliveted to and extending tangentially from the shaft 1 is a series of relatively short plates or arms 14, and these plates or arms are provided with bolt holes 15. The spokes 13 of the ordinary tug rim are already proi-ded with bolt holes 16 for the purpose of attaching them to the large bull wheel shaft; and these bolt holes in the spokes co-operate with those in the relatively short plates 1 1 in a manner to be described.

It is understood, of course, that the purpose of the construction being described is to adapt a tug rim from a large bull wheel set to a pony bull wheel set, and hence it is obvious that as the spokes of the tug wheel were originally intended for angeritial engagement with a large shaft, some means must be provided for attaching these spokes to a smaller shaft. l he means I have devised for accomplishing this consists in the use of filler plates arranged between the spokes and the relatively short plates or arms 1 1; the three elements being bolted to gether. The filler plates are indicated by number 11, and are provided with bolt holes 18; the bolts being referred to by numeral 19. The construction is clearly shown in detail in Figure (5. By reference to that figure it will be seen that the plates or arms 14 and the spokes 13 are arranged in spaced parallel, overlapping relation, and that the filler plates or blocks 17 are arranged therebetween. And the bolts 19 passing through the holes provided in the three elements I firmly secure the tug wheel to the pony bull wheel shaft. it will also be apparent that the space between the tug wheel spokes and the arms or plates 1% will vary in accordance with the size of the tug wheel en'iployed.

And to render my apparatus adaptable to use in connection with tug wheels of various sizes I provide -sets of filler blocks of different and appropriate thickness.

In Figure 5 l have shown a tug wheel in outline ready to be fitted to my pony bull wheel set, and it is apparent, from an inspection of this figure, that it is only necessary to move the tug wheel over until the spokes thereof assume the proper position relative to the arms 1d, and then by applying the bolts the tug wheel is quickly mounted in place, and the pony bull wheel set is equipped for a rope drive.

In Figures 7 and S I have illustrated a modified form of sprocket and gudgeon, respectively. By reference to these figures it will be seen that I have provided a gudgeon of hexagonal form, as indicated by numeral 20; and the hub of the sprocket 21 is also of hexagonal form, as indicated by numeral 22. The sprocket 21 is formed in two sections, the same as sprocket 3 previously described herein. It is not necessary, of course, that the gudgeon or sprocket hub be of a hexagonal shape, for it is obvious that the same result would be accomplished by a three or four sided gudgeon and sprocket hub, or of any other polygonal shape.

.ln Figures 9 and 10 I have illustrated a modified form of pony bull wheel construction. Numeral 1, as before. indicates the shaft of the bull wheel set; the shaft being provided with any usual form of gudgeon, as indicated by numeral 2. Annular mem bers 23, 23, are welded or otherwise secured to the shaft 1; and these annular members and shaft constitute a winding drum of relatively small dizuneter.

lriounted on one end of the shaft is the usual brake wheel 2 1; the rim of which is formed of the wood fillers 25; the wheel itself being formed of two spaced annular members 26, 26, which are welded or otherwise secured to the shaft 1.

itnother annular member, indicated by numeral 27, is welded or otherwise secured to the shaft 1. and is spaced inwardly from the inner wall of the brake wheel. A pluralit of rods 28 )ass throu h the three an nular members and through the filler blocks, and spacing sleeves 29 are mounted on these rods. This construction is more clearly shown in Figure 10. The rods 28 are. arranged inwardly of the periphery of the annular members 26 and 27, and the arrangement is such that the annular member 27 together with the inner annular member 26 of the brake wheel and the rods 28, form a second winding drum of greater diameter than the first-mentioned winding drum which is formed of the shaft 1 and the annular members 23, 23. I

The sprocket is indicated by numeral 30, and the means by which this is mounted will now be described. Spacing lugs 31 are arranged between the sprocket wheel and the annular member 27, and a pair of rods 32 pass through the sprocket, spacing lugs and annular members 26 and 27, thus securing all of the parts together.

From the foregoing description it is apparei'it that I have devised a pony bull wheelset which is strong and durable in operation, and yet which may be manufactured at a relatively small cost; that the apparatus will greatly facilitate the pulling of rods, tubing, etc., and general cleaning out operations necessary in the operation of wells, in that the speed of the operation may be varied in accordance with the load; and that the apparatus is so constructed that tug wheels of various sizes from large bull wheel sets may be quickly applied thereto when a rope drive is required. v

In accordance with the patent statutes, I have described what I now believe to be the best en'lbodiment of the invention, but I do not wish to be understood thereby as limiting myself or the scope of the invention, as many changes and modifications may be made without departing from the spirit of the invention; all such I aim to include in the scope of the appended claims.

What I claim as new and desire to secure by Letters Patent is:

1. A pony bull wheel set, including a shaft, spaced annular members mounted thereon forming a drum, a brake wheel mounted on the shaft, an annular member mounted on the shaft and spaced from the brake wheel, and a plurality of rods connecting the annular member to the brake wheel, the annular member, brake Wheel and It ds cooperating to form a second drum of greater diameter than the first-mentioned drum.

2. A pony bull wheel set, including a shaft, spaced annular members mounted thereon forming a drum, a brake wheel mounted on the shaft, an annular member mounted on the shaft and spaced inwardly from the brake wheel, rods and sleeves conneoting the annular members to the brake wheel, said rods and spacing sleeves arranged inwardly of the periphery of the annular member and brake wheel and cooperating with those elements to form a second drum of greater diameter than the firstmentioned drum, and a driving sprocket detachably mounted on the annular member.

3. A pony bull wheel set, including a shaft, a brake wheel mounted on the shaft, an annular member mounted on the shaft and spaced inwardly from the brake wheel, rods connecting the annular member to the brake wheel, said annular member, brake wheel and rods cooperating to form a drum, and a sprocket wheel mounted on the annular member. 1

4. A pony bull wheel set, including ashaft, a brake wheel mounted on the shaft, an annular member mounted on the shaft and spaced from the brake wheel, rods connecting the annular member to the brake wheel, said annular member, brake wheel and rods cooperating to form a drum, a sprocket wheel, spacing lugs between the sprocket wheel. and annular member, and means for detachably connecting the sprocket, spacing lugs and annular member.

5. A pony bull wheel set, including a shaft, a brake wheel and a sprocket on said shaft, an annular flange carried by the shaft and spaced from the brake wheel, means extending between and cooperating with the annular flange and brake wheel to form a drum of relatively large diameter, and a drum of relatively small diameter also carried by said shaft.

6. A pony bull wheel set, including a shaft, a brake wheel and a sprocket on said shaft, a relatively large annular flange carried by the shaft and cooperating with the brake wheel to form a drum, and a pair of annular flanges mounted on the shaft and cooperating therewith to form a drum of smaller diameter than said first-mentioned drum, and said pair of annular flanges being spaced from the first-mentioned annular flange.

WALKER S. ESTES. 

